Chemical Engineering Mcqs

Which of the following is not used as the ceramic material in „cermets‟?

• (A)  Silicides
• (B)  Oxides
• (C)  Carbides
• (D)  Nitrides

Answer

Submitted By :Ali Uppal

Brine (15% concentration) can be stored in a vessel made of____________________?

• (A)  Monel
• (B)  Karbate
• (C)  Cast iron
• (D)  None of these

Answer

Submitted By :Ali Uppal

White metal is an alloy of___________________?

• (A)  Lead, tin and cadmium
• (B)  Copper, tin and zinc
• (C)  Copper and lead
• (D)  None of these

Answer

Submitted By :Ali Uppal

German silver used for decorative purposes contains maximum percentage of___________________?

• (A)  Silver
• (B)  Copper
• (C)  Zinc
• (D)  Nickel

Answer

Submitted By :Ali Uppal

_____________ is added in stainless steel to prevent inter crystal corrosion?

• (A)  Vanadium
• (B)  Niobium
• (C)  Chromium
• (D)  Nickel

Answer

Submitted By :Ali Uppal

Hammers and railway rails are normally made of___________________?

• (A)  Mild steel
• (B)  Dead mild steel
• (C)  Medium carbon steel
• (D)  High carbon steel

Answer

Submitted By :Ali Uppal

Slow and progressive deformation of a material with time under constant stress is called___________________?

• (A)  Creep
• (B)  Erosion
• (C)  Resilience
• (D)  None of these

Answer

Submitted By :Ali Uppal

Lead alone is not used in storing equipment, because it________________?

• (A)  Is very costly
• (B)  Corrodes easily
• (C)  Is having low creep strength
• (D)  None of these

Answer

Submitted By :Ali Uppal

Acetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of___________________?

• (A)  Rubber lined mild steel
• (B)  Lead lined mild steel
• (C)  Aluminium
• (D)  Cast iron

Answer

Submitted By :Ali Uppal

Cold worked steel parts are normally subjected to_________________?

• (A)  Normalising
• (B)  Hardening
• (C)  Annealing
• (D)  Shot peening

Answer

Submitted By :Ali Uppal